diff --git a/data_structures/rectangle.hpp b/data_structures/rectangle.hpp index 06c4b08ed..c36074dbd 100644 --- a/data_structures/rectangle.hpp +++ b/data_structures/rectangle.hpp @@ -32,6 +32,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include +#include + #include #include #include